Half and Half substitute

I tried this...seemed to work great, but I've only tried it once and it was a new recipe....

half-and-half = half & half (10.5 - 18% fat) Substitutes: equal parts cream and milk OR evaporated milk OR 7/8 C milk + 1 ½ tablespoons butter or margarine
Source: http://www.foodsubs.com/Dairyoth.html